protector
pro‧tec‧tor /prəˈtektə $ -ər/
noun [countable]
pro‧tec‧tor /prəˈtektə $ -ər/
noun [countable] Word Family: noun: protection, protector, protectionism, protectionist, protectiveness, protectorate; adjective: protected ≠ unprotected, protective, protectionist; verb: protect; adverb: protectively
someone or something that protects someone or something else